基坑支护中桩佩±压力分析

在无粘性土的排桩支护中，从桩间土拱形成机理出发，认为土拱区土体受到等值的法向力作用，有桩间土体自由区和土拱区土体达到极限强度的条件下，得出桩间土拱的拱形参数，拱高和土拱的厚度．同时在考虑土拱区土体强度增加的情况下，结合桩土接触面处的土体强度约束条件和几何条件．在确定的桩距和桩径条件下，分析桩侧的土压力，通过求出不同桩径...

Calculation on the earth pressure at the side of pile for pile-in-row supporting structure

For pile-in-row supporting structure in noncohesive soil,it can be considered that soil in soil arch endures equivalent normal force on the formation principle of soil arch.Under the condition that the soil in free zone between piles and soil in soil arch reach ultimate strength,the shape parameters,the height and the thickness of soil arch between piles are obtained. Considering the increasing of the strength of soil in soil arch and combining with the constrained condition of soil strength and the geometr...